In General, while designing a Network (LAN & WAN), either for Enterprise Network or Service Provider Network, following 5 points should be followed to Produce a BEAUTIFUL NETWORK
High reliability: The stability and reliability of the network system are key to the normal operation of the system. During the network design, select high reliable network products, design the network architecture reasonably, formulate reliable network backup policy and guarantee the self-healing capability of the network, so as to support the normal operation of the system to the maximum degree.
Standard openness: The network should support open protocols such as universal and standard international network protocols (for example, TCP/IP) and large dynamic routing protocols (such as BGP and OSPF), so as to guarantee the smooth connection and inter-working with other networks and support future network expansion.
Flexibility and scalability: According to the increase and change of future services, the network can be expanded and upgraded smoothly so as to minimize the influence upon the network architecture and existing equipment.
Manageability: The centralized supervision and right-based management is conducted for the network, with unified allocation of the bandwidth resources. Select advanced network management platform, which has the functions of equipment and port management, traffic statistics and analysis and automatic fault alarm.
Security: Formulate unified backbone network security policy and give an overall consideration of the security of the network platform. The service subnets are isolated mutually, the IP addresses are planned for the whole network in a united mode, different subnets are divided according to different services, the same physical LANs are isolated in the VLAN mode and the inter-working among different subnets depends upon the routing policy.
High reliability: The stability and reliability of the network system are key to the normal operation of the system. During the network design, select high reliable network products, design the network architecture reasonably, formulate reliable network backup policy and guarantee the self-healing capability of the network, so as to support the normal operation of the system to the maximum degree.
Standard openness: The network should support open protocols such as universal and standard international network protocols (for example, TCP/IP) and large dynamic routing protocols (such as BGP and OSPF), so as to guarantee the smooth connection and inter-working with other networks and support future network expansion.
Flexibility and scalability: According to the increase and change of future services, the network can be expanded and upgraded smoothly so as to minimize the influence upon the network architecture and existing equipment.
Manageability: The centralized supervision and right-based management is conducted for the network, with unified allocation of the bandwidth resources. Select advanced network management platform, which has the functions of equipment and port management, traffic statistics and analysis and automatic fault alarm.
Security: Formulate unified backbone network security policy and give an overall consideration of the security of the network platform. The service subnets are isolated mutually, the IP addresses are planned for the whole network in a united mode, different subnets are divided according to different services, the same physical LANs are isolated in the VLAN mode and the inter-working among different subnets depends upon the routing policy.
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